This is one of the funniest trailers (Quicktime req'd) I've seen for a movie in a long time. I had no idea Jerry Seinfeld was making a movie and it may not even be any good, but we laughed pretty hard here at the office.
For more Seinfeld stuff, check out 'I've Never Watched Seinfeld' for tips on how to talk like you're a Seinfeld expert without even having to watch the show.